Calculus
Registry ID
GCR-2025-A1CCB1
Issued December 7, 2025
Color data
HEX #A1CCB1
RGB 161 / 204 / 177
HSL 142° / 30% / 72%
CMYK 21 / 0 / 13 / 20
opencolors.org/certificate/A1CCB1
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-A1CCB1
Issued December 7, 2025
Color data
HEX #A1CCB1
RGB 161 / 204 / 177
HSL 142° / 30% / 72%
CMYK 21 / 0 / 13 / 20
opencolors.org/certificate/A1CCB1
White text
1.78:1 · Fail
Black text
11.79:1 · AAA
CSS
--calculus: #A1CCB1;
Tailwind
bg-[#A1CCB1]
Token
{
"calculus": {
"value": "#A1CCB1"
}
}